<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            width: 100px;
            height: 100px;
            background-color: pink;
            animation-name: move;
            animation-duration: 5s;
            animation-iteration-count: infinite;
        }
        @keyframes move {
            0% { 
                transform: translate(0,0);
            }
            25% { 
                transform: translate(1000px,0);
            }
            50% {
                transform: translate(1000px,500px);
            }
            75% { 
                transform: translate(0,500px);
            }
            100% {
                transform: translate(0,0) ;
            }
        }
        
    </style>
</head>
<body>
    <div class="box"></div>
</body>
</html>